EL816(S1)(B)(TA)

Overview

The EL816(S1)(B)(TA) is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides high isolation voltage of 5000 Vrms between input and output circuits. The device supports surface mount installation in a compact SMD package. Key electrical parameters include a maximum collector-emitter breakdown voltage of 80 V, a maximum forward current of 60 mA, and a maximum forward voltage of 1.4 V. It operates within a temperature range of -55°C to +110°C and complies with RoHS standards.

Feature Summary

• High isolation voltage capability of 5000 Vrms between input and output channels
• Wide operating temperature range extending up to +110°C for demanding environments
• Compact surface mount packaging design suitable for automated assembly

Applications

• Industrial control systems requiring signal isolation
• Communication equipment interface circuits
• Power supply feedback loop isolation

Procurement Notes

Verify the specific suffix configuration against the official Everlight datasheet to ensure compatibility with required isolation ratings and package dimensions. Confirm that the component meets all necessary regulatory compliance standards for the target application region. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when high voltage isolation and wide temperature tolerance are critical requirements. Ensure the circuit design accommodates the specified maximum forward current and collector-emitter breakdown voltage limits. Consider the surface mount form factor for space-constrained PCB layouts. Validate that the phototransistor output characteristics align with the downstream logic or analog signal processing requirements.

Part Context

This component belongs to the EL816 series of transistor output optocouplers produced by Everlight Electronics. The series is designed for general-purpose isolation applications where reliable signal transmission across isolated barriers is necessary. The specific model variant indicates particular pinout and packaging configurations standardized within the product family.

Replacement Considerations

Consult official Everlight documentation for confirmed substitute part numbers within the same product family. Verify functional equivalence regarding isolation voltage, current transfer ratio, and package dimensions before implementing any alternative components.